Facilitating concertation in a brazilian periurban catchment : to what extent does irrigation compete with potable water supply ?

Ducrot Raphaèle, Jacobi Pedro Roberto, Bouzid Mya, Carvalho Yara, Amaral Ana. 2004. Facilitating concertation in a brazilian periurban catchment : to what extent does irrigation compete with potable water supply ?. In : Water resource management for local development : governance, institutions and policies. Hassan Rashid (ed.), Backeberg Gerhard (ed.), Farolfi Stefano (ed.), Karar Eiman (ed.), Perret Sylvain (ed.), Pietersen Kevin (ed.), Turton Anthony (ed.). Department of Water Affairs and Forestry, WRC, France-Ambassade, CIRAD. Irene : DTT, pp. 316-334. International Workshop on Water Resource Management for Local Development, Loskop Dam, Afrique du Sud, 8 November 2004/11 November 2004.

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Abstract : Megacities development is putting an increasing pressure on water resources in their peri-urban areas. It particularly raises the challenge of the competition between potable water supply and irrigated agriculture, in a context of rapid land use changes, which results in increased pressures on water availability and quality. This is the case of the Tietê-Cabeceiras catchment in the Metropolitan Region of São Paulo (Brazil), the only metropolitan catchment where agriculture is being represented in the water committees - the negotiation and discussion body for water management at catchment level. While agriculture directly competes with domestic water uses, it also provides some environmental and social services: it contributes to the preservation of forest fragments, prevents illegal urban land occupation and probably contributes to the preservation of social network in its rural district which could counterbalance the negative social effect of urbanization. But urbanization is putting an high pressure on agriculture and its evolution is difficult to anticipate. An approach based on the development of simulation tools as mediating tools for concertation on this issue is presented. (Résumé d'auteur)

Mots-clés Agrovoc : Eau d'irrigation, Eau potable, Approvisionnement en eau, Gestion des ressources, Besoin en eau, Offre et demande, Culture irriguée

Mots-clés géographiques Agrovoc : Brésil

Classification Agris : P10 - Water resources and management
E14 - Development economics and policies

Auteurs et affiliations

  • Ducrot Raphaèle, CIRAD-TERA-REV (BRA)
  • Jacobi Pedro Roberto, Universidade de São Paulo (BRA)
  • Bouzid Mya
  • Carvalho Yara, APTA (BRA)
  • Amaral Ana, APTA (BRA)

Autres liens de la publication

Source : Cirad - Agritrop (

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